Journal of Preventive Medicine and Public Health

  • 제55권5호
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  • Pages.424-427
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  • 2022
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  • 1975-8375(pISSN)
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  • 2233-4521(eISSN)
대한예방의학회 (The Korean Society for Preventive Medicine)
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Statin Intake and Gastric Cancer Risk: An Updated Subgroup Meta-analysis Considering Immortal Time Bias

  • Bae, Jong-Myon (Department of Preventive Medicine, Jeju National University College of Medicine)
  • 투고 : 2022.05.09
  • 심사 : 2022.08.11
  • 발행 : 2022.09.30
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초록

A retrospective record-linkage study (RLS) based on medical records containing drug prescription histories involves immortal time bias (ITB). Thus, it is necessary to control for this bias in the research planning and analysis stages. Furthermore, a summary of a meta-analysis including RLSs that did not control for ITB showed that specific drugs had a preventive effect on the occurrence of the disease. Previous meta-analytic results of three systematic reviews evaluating the association between statin intake and gastric cancer risk showed that the summary hazard ratio (sHR) of the RLSs was lower than 1 and was statistically significant. We should consider the possibility of ITB in the sHR of RLSs and interpret the results carefully.

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과제정보

This work was supported by the 2022 education, research, and student guidance grant funded by Jeju National University.

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